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https://issues.apache.org/jira/browse/SPARK-41073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17634119#comment-17634119
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zhengchenyu commented on SPARK-41073:
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[~xkrogen] Thank you very much for reply. This issue is duplicate with
SPARK-36328 indeed. I will close it.
> Spark ThriftServer generate huge amounts of DelegationToken
> -----------------------------------------------------------
>
> Key: SPARK-41073
> URL: https://issues.apache.org/jira/browse/SPARK-41073
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.1
> Reporter: zhengchenyu
> Priority: Major
> Attachments: SPARK-41073.proposal.A.draft.001.patch
>
>
> In our cluster, zookeeper nearly crashed. I found the znodes of
> /zkdtsm/ZKDTSMRoot/ZKDTSMTokensRoot increased quickly.
> After some research, I found some sql running on spark-thriftserver obtain
> huge amounts of DelegationToken.
> The reason is that in these spark-sql, every hive parition acquire a
> different delegation token.
> And HadoopRDDs in thriftserver can't share credentials from
> CoarseGrainedSchedulerBackend::delegationTokens, we must share it.
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